class_docstr: Class to hold feature unit data for the builder.
code: def as_dict(self):
      return vars(self)
  
imports: import math
  import numpy
  from pysc2.lib import features
  from s2clientprotocol import raw_pb2
  from s2clientprotocol import sc2api_pb2
  from s2clientprotocol import score_pb2
label_desc: Use image node_id 2 for calling the FeatureUnit obj's underlying member method code with example usage: obj.as_dict() and returns: vars